Home / 1,017,289.60-1,526,809.20-449,544.40

Finding the Fourth Proportional to 1,017,289.60, 1,526,809.20 and 449,544.40

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Solution

The fourth proportional to 1,017,289.60, 1,526,809.20 and 449,544.40 is: 674,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,289.60 : 1,526,809.20 = 449,544.40 : x
  2. Step 2: Convert to fraction form
    1,017,289.60/1,526,809.20 = 449,544.40/x
  3. Step 3: Cross multiply
    1,017,289.60x = 1,526,809.20 × 449,544.40
  4. Step 4: Simplify right side
    1,017,289.60x = 686,368,525,728.48
  5. Step 5: Solve for x
    x = 686,368,525,728.48/1,017,289.60
  6. Step 6: Final answer
    x = 674,703.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.